Population limitation in migrants

By I. Newton. 2004

395 citations recorded by the source corpus.

View Paper: https://www.semanticscholar.org/paper/0b91de67116a67e6f60d535f8994a34727fac138

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Citations in the corpus

Key conservation issues for migratory land- and waterbird species on the world's major flyways (2008, background): “In addition to climate change, Newton (2004) highlighted the importance of factors such as overgrazing, burning, woodcutting, drainage of wetlands and pesticide use which reduce the quantity and quality of habitats available to migrant birds during the non-breeding season.”
Fruit tracking between sites and years by birds in Mediterranean wintering grounds (2008, background): “Variable food distribution makes different species of migratory birds spend different periods of time each winter in each area, reaching in some years areas that remain vacant in other years (Newton 2004).”
Morphological Adaptations to Migration in Birds (2016, background): “…Cluj Napoca, Romania 4 Taps Old Rectory, Christiansfeld, Denmark 5 Laboratoire d’Ecologie, Systématique et Evolution, CNRS UMR 8079, Université Paris-Sud, Orsay Cedex, France rate during migration (Klaassen et al. 2014; Newton 2004), and (3) the huge variation in migration distance among species.”
A double buffer effect in a migratory shorebird population (2005, neutral): “The size of migratory populations will be limited by the interactions between density-dependent processes operating at either end of the migratory range (Sutherland 1996b; Newton 2004).”
The decline of Afro-Palaearctic migrants and an assessment of potential causes (2014, neutral): “An A-P migrant is a species in which at least part of the population moves between breeding areas in the Palaearctic region and non-breeding grounds in sub-Saharan Africa each year (Moreau 1972, Berthold 2001, Newton 2004a).”
Weather-related mass-mortality events in migrants (2007, background): “In populations in which over-winter mortality is density-dependent (Newton 1998, 2004), losses on autumn migration could be largely or entirely offset by reduced over-winter losses, but by © 2007 The Author Journal compilation © 2007 British Ornithologists’ Union Weather-related mass-mortality…”
Migrant–habitat relationships during stopover along an ecological barrier: extrinsic constraints and conservation implications (2011, neutral): “Although debate over the causes of the decline continues, attention has primarily focused on events associated with the breeding and wintering phases of the migrants’ annual cycle (e.g., Terborgh 1989; Sherry and Holmes 1995; Newton 2004).”
Food constraints explain the restricted distribution of wintering Lesser White-fronted GeeseAnser erythropusin China (2013, background): “For migratory birds, food availability on the wintering areas influences population distribution and abundance by affecting the body condition, migration dates and subsequent breeding success of migrants (Holmes & Sherry 2001, Newton 2004).”
Declines in British-breeding populations of Afro-Palaearctic migrant birds are linked to bioclimatic wintering zone in Africa, possibly via constraints on arrival time advancement (2012, background): “2009 ), and the area of woodland has declined owing to increasing demands for agricultural land, fuelwood and grazing areas for livestock (Gonzalez 2001 , Newton 2004 , Wilson & Cresswell 2006 , Cresswell et al.”
Variation of primary production during winter induces synchrony in survival rates in migratory white storks Ciconia ciconia (2005, background): “…that such mechanisms are not restricted to species or populations spending the whole winter in the narrow extent of the Sahel in western Africa (Newton 2004), but also apply to a species which only stops for a short period of time in the Sahel and spends the longest part of the winter in…”
Why are bird migration dates shifting? A review of weather and climate effects on avian migratory phenology (2007, neutral): “…1974, Den Held 1981, Cavé 1983, Svensson 1985, Dallinga & Schoenmakers 1987, Kanyamibwa et al. 1990, Peach et al. 1991, Marchant 1992, Kanyamibwa et al. 1993, Møller 1994, Szép 1995, Barbraud et al. 1999, Foppen et al. 1999, Sillett et al. 2000, Boano et al. 2004, Newton 2004, Sæther et al. 2006).”
Population trends of widespread woodland birds in Europe (2007, background): “They showed that the trends of intercontinental migrants were significantly more negative than those of short-distance migrants or residents, and that these trends seemed to be driven by birds wintering in dry, open habitats in Africa, echoing earlier findings (see Newton 2004).”
CONSERVING STOPOVER SITES FOR FOREST-DWELLING MIGRATORY LANDBIRDS (2005, background): “…al. 2002, Love e et al. 2004); diffi culties in assessing population viability (Cooper and Nur 2000, Donovan et al. 2002); and a poor understanding of how vulnerability varies across the stages of the annual cycle (Sherry and Holmes 2000, Sille and Holmes 2002, Rodenhouse et al. 2003, Newton 2004).”